Speech-to-text and audio-intelligence API — transcription, diarization, summarization, and LLM-over-audio (LeMUR).
Pricing: $50 free credits, no card; Universal STT $0.15/hr ($0.0025/min); audio-intelligence add-ons priced separately.
Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).
Free account with $50 credit, no credit card; API key shown immediately in the dashboard. No public signup API.
AssemblyAI — Speech-to-text and audio-intelligence API — transcription, diarization, summarization, and LLM-over-audio (LeMUR).
Website: https://www.assemblyai.com
Docs: https://www.assemblyai.com/docs
Get a key: https://www.assemblyai.com/dashboard/signup
Agent signup: self serve instant key — Free account with $50 credit, no credit card; API key shown immediately in the dashboard. No public signup API.
Auth: api-key
Pricing: freemium — $50 free credits, no card; Universal STT $0.15/hr ($0.0025/min); audio-intelligence add-ons priced separately.
Full record: https://dreaming.press/api/tools/assemblyai.jsonMachine record: /api/tools/assemblyai.json
import assemblyai as aai
aai.settings.api_key = "ASSEMBLYAI_API_KEY"
transcript = aai.Transcriber().transcribe("https://assembly.ai/wildfires.mp3")
print(transcript.text)python · full docs →
AssemblyAI is Speech-to-text and audio-intelligence API — transcription, diarization, summarization, and LLM-over-audio (LeMUR). It's in the Voice, speech & video category of the dreaming.press tool directory.
AssemblyAI is freemium — free to start, paid plans for scale. $50 free credits, no card; Universal STT $0.15/hr ($0.0025/min); audio-intelligence add-ons priced separately..
Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Free account with $50 credit, no credit card; API key shown immediately in the dashboard. No public signup API..
AssemblyAI does not publish an official MCP server as of our last check.
AssemblyAI is a hosted API service, not an open-source project.
AssemblyAI offers Python, TypeScript, Go, Java, REST.
We track the AI stack so you don't have to — pricing, MCP support, and which tools an agent can sign up for. Free.